Home / 80,989,429.80-121,494,800.70-29,907,330.60

Finding the Fourth Proportional to 80,989,429.80, 121,494,800.70 and 29,907,330.60

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Solution

The fourth proportional to 80,989,429.80, 121,494,800.70 and 29,907,330.60 is: 44,864,930.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,989,429.80 : 121,494,800.70 = 29,907,330.60 : x
  2. Step 2: Convert to fraction form
    80,989,429.80/121,494,800.70 = 29,907,330.60/x
  3. Step 3: Cross multiply
    80,989,429.80x = 121,494,800.70 × 29,907,330.60
  4. Step 4: Simplify right side
    80,989,429.80x = 3,633,585,170,716,011.50
  5. Step 5: Solve for x
    x = 3,633,585,170,716,011.50/80,989,429.80
  6. Step 6: Final answer
    x = 44,864,930.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.